Home / 173,192.40-259,788.60-120,661.20

Finding the Fourth Proportional to 173,192.40, 259,788.60 and 120,661.20

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Solution

The fourth proportional to 173,192.40, 259,788.60 and 120,661.20 is: 180,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,192.40 : 259,788.60 = 120,661.20 : x
  2. Step 2: Convert to fraction form
    173,192.40/259,788.60 = 120,661.20/x
  3. Step 3: Cross multiply
    173,192.40x = 259,788.60 × 120,661.20
  4. Step 4: Simplify right side
    173,192.40x = 31,346,404,222.32
  5. Step 5: Solve for x
    x = 31,346,404,222.32/173,192.40
  6. Step 6: Final answer
    x = 180,991.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.